CF1759156201625-tsm20250927195623

WWW.RTSAK.COM - 54.231.147.in-addr.arpa

Search for IP or hostnames:

54.231.147.in-addr.arpa checked at 2025-09-29T14:30:01.608Z 87ms 57/57/57 100% R:6

54.231.147.in-addr.arpa

NSsun.cts.cuni.cz
A2001:718:1e03:300::40 🇨🇿 CESNET
PTRsun.cts.cuni.cz
A147.231.54.40🇨🇿 CESNET
PTRsun.cts.cuni.cz
NSdavid.ruk.cuni.cz
A2001:718:1203:502::2 🇨🇿 CESNET
PTRdavid.ruk.cuni.cz
A78.128.213.242🇨🇿 CESNET
NSgolias.ruk.cuni.cz
A2001:718:1e03:1::2 🇨🇿 CESNET
PTRgolias.ruk.cuni.cz
A195.113.0.2🇨🇿 CESNET
PTRgolias.ruk.cuni.cz

231.147.in-addr.arpa

NSacademy.cas.cz
NSnsa.ces.net
NSvisla.utia.cas.cz

Up

Starts with same word

Starts similarily

AI analysis

54.231.147.in-addr.arpa is the parent of 137.54.231.147.in-addr.arpa, 146.54.231.147.in-addr.arpa, 133.54.231.147.in-addr.arpa, 5.54.231.147.in-addr.arpa, 145.54.231.147.in-addr.arpa and several other host names.

54.231.147.in-addr.arpa is delegated to three name servers: sun.cts.cuni.cz, david.ruk.cuni.cz and golias.ruk.cuni.cz.

54.231.147.in-addr.arpa at least partially shares its name servers with other domains, for instance universitascarolina.cz, 39.113.195.in-addr.arpa, 44.113.195.in-addr.arpa, 179.128.78.in-addr.arpa and 23.113.195.in-addr.arpa.

These name servers are commonly used with cuce.ruk.cuni.cz, dec52.lf1.cuni.cz, ns.ms.mff.cuni.cz, ruzenka.prf.cuni.cz, sns.ms.mff.cuni.cz, ns.n.mff.cuni.cz, opv.natur.cuni.cz, pteryx.natur.cuni.cz, zen.natur.cuni.cz and ns2.troja.mff.cuni.cz.

Host names with two IP numbers:

sun.cts.cuni.cz points to: 2001:718:1e03:300::40 and 147.231.54.40.

david.ruk.cuni.cz points to: 2001:718:1203:502::2 and 78.128.213.242.

golias.ruk.cuni.cz points to: 2001:718:1e03:1::2 and 195.113.0.2.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

JHwIaox CF johedugfp 2025-09-29